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revision 1049 by schoenebeck, Wed Feb 28 06:53:42 2007 UTC revision 1924 by persson, Sun Jun 28 16:43:38 2009 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3      * packaging changes:
4        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
5          causing e.g. the libgig test to fail when
6          "./configure --disable-jack-driver" was used
7          (patch by Alexis Ballier)
8        - fixed compilation with gcc 4.3
9        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
10        - fixed configure so it detects x86_64 (#107)
11        - fixes for building with newer MinGW versions
12        - fix for building with bison 2.4 (#111)
13        - fixed building with libgig installed in a non-standard directory
14        - minor fix in configure for mmsystem.h detection on MinGW
15        - Windows: look for editor plugins and Fantasia using base
16          directory of liblinuxsampler dll
17        - configure script fix: removed unconditional use of SSE
18        - fixed building with sqlite installed in a non-standard directory
19    
20      * general changes:
21        - bugfix: on some POSIX systems instrument editor plugins refused to
22          load as we used a non-portable Linux specific struct field
23          (fixes bug #70, patch by Ronald Baljeu)
24        - fixed endless loop which occured when loading an instrument editor
25          plugin DLL on Windows systems failed
26        - fixed memory leaks that occurred when liblinuxsampler was unloaded
27        - optimized the SynchronizedConfig class so it doesn't wait
28          unnecessarily long after an update
29        - added support for notifying instrument editors on note-on / note-off
30          events (e.g. to highlight the pressed keys on the virtual keyboard
31          of gigedit)
32        - added support for triggering notes by instrument editors (see above)
33        - be verbose on DLL load errors (on Linux)
34        - fixed di-harmonic triangle LFO implementation (this LFO implementation
35          is only used by very few systems, most pick the int math
36          implementation, which is usually faster)
37        - fixes for audio drivers with varying buffer sizes
38        - experimental support for running LinuxSampler as a DSSI, LV2 and
39          VST plugin
40        - notification events for stream/voice count statistics are now sent
41          only when there are actual changes
42        - added memory ordering constraints to improve stability on
43          multi-core and multi-cpu systems
44        - maximum voices and disk streams can now be altered at runtime
45        - fixed CPU feature detection on x86_64 (maybe fixes #108)
46        - automatic stacktrace mechanism is now turned off by default and can
47          be switched on by command line option "--stacktrace" (the automatic
48          stacktrace mechanism seems to be broken on most systems at the moment)
49        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
50          a pointer to the launched InstrumentEditor object
51        - added optional 3rd party user data parameter for following
52          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
53          InstrumentEditor::Launch(),
54          InstrumentManager::LaunchInstrumentEditor()
55        - theoretical fix: made SynchronizedConfig follow C++0x memory
56          model more strictly
57        - fixes for using large audio device buffers
58    
59      * audio driver:
60        - removed the nonsense audio channel constraint (which was hard coded to
61          max. 100 audio channels) for most audio drivers
62        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
63          opposed to the LSCP specs
64        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
65          reflected the wrong value
66        - fixed a memory management bug in ASIO driver
67        - Makefile fix: JACK_CFLAGS wasn't used
68        - JACK: use jack_client_open instead of the deprecated
69          jack_client_new
70        - added (experimental) CoreAudio driver
71        - applied old fixes to the ASIO driver that were included in the
72          previous binary release but accidentally never committed to CVS
73          (fixes #117)
74        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
75          win64)
76        - VST: added support for sample rate and buffer size changes
77        - VST: close editor (Fantasia) when the VST is removed
78        - VST: avoid opening Fantasia more than once for each VST instance
79        - VST: export main function as "main" on Linux too (fix for
80          energyXT)
81        - VST: changed number of output channels from one stereo to 16
82          stereo
83        - added channel routing, fxsends and midi maps to the settings
84          stored in the plugin state
85    
86      * MIDI driver:
87        - added JACK MIDI driver
88        - dispatch bank select as ordinary CC as well, the user might seriously
89          want to (mis)use it for some purpose ("fixed" in all current MIDI
90          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
91        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
92          CoreMidi or AU
93        - fixed mingw-w64 compilation error in MME driver
94        - made program change handling in MIDI thread real-time safe by
95          moving the logic to a non-RT thread
96    
97      * instruments database:
98        - avoid time consuming samples scanning when adding instruments
99          to the instruments database
100        - added support for handling lost files in the instruments database
101        - Implemented option for adding instruments in separate directories
102          in the instruments database
103          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
104        - work-around for missing fnmatch function on Windows to make
105          instrument database compilable
106            - added instrument database support on Windows
107              works with both standalone mode and VST plugin.
108              the instruments DB file is located in
109              %USERPROFILE%\.linuxsampler\instruments.db which allows different
110              databases for each windows user
111              if no DB is present it automatically creates the .linuxsampler subdir
112              and then creates an empty DB
113    
114      * Gigasampler format engine:
115        - fixed a memory leak that could happen when a channel was deleted
116          while notes were playing
117        - made it possible to load an instrument even if the audio thread
118          isn't running
119        - added partial support for the "Controller Triggered" MIDI rule,
120          enough for piano gigs with pedal noise samples
121        - minor fix: only mark FX sends as being modified if really the
122          respective FX send MIDI controller was used
123        - added support for GM global device volume SysEx message
124          (can be selected at compile time to either apply globally to the
125          whole sampler [default] or only to the sampler channels that are
126          connected to the respective MIDI input port the SysEx message arrived
127          on)
128        - bugfix: notes triggered at position 0 in the audio buffer were
129          sometimes wrongly killed in the same buffer, causing no sound to
130          be played
131        - added support for chromatic / drumkit mode Roland GS Sysex message
132          which is usally used to switch a part between chromatic sounds and
133          drumkit sounds (as opposed to their common default setting of MIDI
134          part 10 being a drumkit part and all other ones chromatic parts), in
135          LS however one can switch between the first 16 MIDI instrument maps
136          defined for the sampler
137        - made it possible to create multiple sample channels even if the
138          audio thread isn't running
139        - fixed crash when removing channel with active voices (#116)
140        - bugfix: on sample reference changes (instrument editor), only
141          un-cache the respective sample if it's really not used by any
142          sampler engine anymore
143        - re-cache samples in case they were changed by an instrument editor,
144          e.g. when a sample was added while playing (#82)
145        - fixed hanging notes which occured when note-off event had the exact
146          same time stamp as the voice's note-on event and occured both in the
147          same audio fragment cycle (fixes bug #112)
148        - added support for the "fine tune" and "pitch bend range"
149          instrument-level gig parameters
150        - fixed minor artifacts in pitch bend handling
151        - added support for GS Reset SysEx message
152        - allow gig files to use unlimited downward pitch shifting
153        - added a limit check for upward pitch shifting
154        - bugfix: sometimes, when playing a note twice fast, the second
155          note was silent
156        - fixed crash happening when a pitch bend event arrived at the
157          same time a new instrument was loading
158    
159      * LSCP server:
160        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
161          react on MIDI data arriving on certain sampler channels (so far only
162          Note-On and Note-Off events are sent via this LSCP event)
163        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
164          react on MIDI data arriving on certain MIDI input devices (so far only
165          Note-On and Note-Off events are sent via this LSCP event)
166        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
167          SET DB_INSTRUMENT FILE_PATH
168        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
169          frontends to send MIDI messages to specific sampler channel
170        - added two additional fields to GET FILE INSTRUMENT INFO command -
171          KEY_BINDINGS and KEYSWITCH_BINDINGS
172        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
173          was incorrect
174        - Optimized the retrieval of the MIDI instrument mappings
175        - added new LSCP command "SET VOICES" to globally alter the maximum
176          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
177          be triggered respectively
178        - added new LSCP command "SET STREAMS" to globally alter the maximum
179          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
180          which will be triggered respectively
181        - bugfix: retry if "select" returns EINTR (this fixes a crash when
182          a gigedit file dialog is opened)
183        - close all connections when LSCPServer is deleted
184        - hard close of all sockets on exit
185        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
186          driver
187    
188      * Bug fixes:
189        - fixed a crash which occurs when removing a sampler channel waiting
190          to start instrument loading after another channel
191        - fixed a crash which occurs when removing a sampler channel with
192          instrument loading in progress (bug #113)
193        - fixed termination caused by uncaught exception when adding MIDI
194          instrument with PERSISTENT load mode
195        - fixed possible iterator invalidations when resetting the sampler
196        - fixed memory leaks when issuing the following LSCP commands:
197          GET AUDIO_OUTPUT_DRIVER INFO
198          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
199          GET MIDI_INPUT_DRIVER INFO
200          GET MIDI_INPUT_DRIVER_PARAMETER INFO
201        - fixed possible compilation error when sqlite is not present
202        - fixed orphaned pointers when setting maximum voices limit (bug #118)
203        - fixed crash when changing the audio output device of a sampler
204          channel with loaded instrument and start playing notes
205        - fixed endless loop in Engine::SuspendAll() (bug #120)
206        - fixed a low-level atomic load function that was broken on 64-bit
207          PowerPC, which probably could cause crashes on that platform
208        - fixed a memory management error which could cause a crash when a
209          plugin was unloaded
210        - bugfix: two private structs had the same name, which could cause
211          problems if the linker chose the wrong constructor
212    
213    
214    Version 0.5.1 (6 December 2007)
215    
216      * packaging changes:
217        - added autoconf checks for pthread library
218        - added autoconf check for pthread bug found on certain NPTL-enabled
219          glibc versions (see Gentoo bug report #194076)
220        - added autoconf checks for MS Windows
221    
222      * general changes:
223        - bugfix: the thread used by an editor plugin didn't die when the
224          editor closed
225        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
226          out all the space. operator--() did not apply size_mask after
227          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
228          order to avoid problems with the _NonVolatileReader functions.
229        - bugfix: Stream.h: added a missing divide by BytesPerSample in
230          GetWriteSpace(). Since this function is currently only used in
231          the stream's qsort() compare function, it didn't trigger any
232          bugs.
233        - Resampler.h, Synthesizer.h: cubic interpolation now works in
234          24bit mode too. Faster method to read 24bit words on little
235          endian machines (x86): replaced 3 byte reads + shifts with a 1
236          unaligned 32bit read and shift
237        - experimental support for MS Windows (MIDI input via MME, AUDIO
238          output via ASIO)
239        - made handling of SIGINT signal (Ctrl-C) a bit more robust
240        - support for monitoring the total number of active disk streams
241          (new LSCP commands: GET TOTAL_STREAM_COUNT,
242          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
243    
244      * AUDIO driver:
245        - added Windows ASIO low latency audio driver
246    
247      * MIDI driver:
248        - added MME Windows MIDI driver
249    
250      * LSCP server:
251        - added support for Windows style path / filenames, however with
252          forward slash path separators instead of backslash
253          (i.e. "C:/foo/bar.gig")
254        - allow naughty liblscp to send non-string device parameters within
255          apostrophes as well
256        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
257          "LIST FILE INSTRUMENTS <file>" and
258          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
259          about an arbitrary instrument file on the system where the sampler is
260          running on
261    
262    Version 0.5.0 (15 October 2007)
263    
264      * packaging changes:
265        - config.h is not going to be installed along with liblinuxsampler's
266          API header files anymore
267        - only the API relevant header (and source) files will be exported to
268          the Doxygen API documentation (explicitly listed in Doxyfile.in)
269        - added completely new XCode project files for Mac OSX which is now
270          capable to execute our autoconf environment, thus no need anymore
271          to maintain the compile time configuration file (osx/version.h) for
272          OSX manually (patch by Toshi Nagata)
273        - fixed buggy boolean --enable-foo / --disable-foo configure script
274          parameters
275        - global.h now only covers global definitions that are needed for the
276          C++ API header files, all implementation internal global definitions
277          are now in global_private.h
278        - atomic.h is not exposed to the C++ API anymore
279        - no need to include config.h anymore for using LS's API header files
280        - fixed warnings in API doc generation
281    
282    * general changes:    * general changes:
283      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
284        flexible MIDI instrument mapper which allows to map arbitrary        flexible MIDI instrument mapper which allows to map arbitrary
# Line 17  Version CVS HEAD (?) Line 296  Version CVS HEAD (?)
296        MIDI instrument maps and assign each sampler channel individually        MIDI instrument maps and assign each sampler channel individually
297        a certain map, so that i.e. separation of normal instruments and        a certain map, so that i.e. separation of normal instruments and
298        drumkits is possible        drumkits is possible
299      - new notification events for tracking audio/MIDI device changes,      - new notification events for tracking changes to audio/MIDI devices,
300        MIDI instrument map changes and MIDI instrument changes        MIDI instrument maps, MIDI instruments, FX sends, global volume.
301      - sampler was limited to load max. 200 instruments in the background      - sampler was limited to load max. 200 instruments in the background
302        due to a constant size RingBuffer FIFO which is now replaced by a        due to a constant size RingBuffer FIFO which is now replaced by a
303        dynamic (unlimited) size std::list FIFO        dynamic (unlimited) size std::list FIFO
# Line 27  Version CVS HEAD (?) Line 306  Version CVS HEAD (?)
306        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
307        controllers        controllers
308      - global (sampler wide) volume can now be controlled at runtime      - global (sampler wide) volume can now be controlled at runtime
309        - Implemented new, improved notification system
310        - fixed compilation errors regarding OSX
311          (patch by Toshi Nagata)
312        - implemented instruments database
313        - added support for escape sequences to the instruments database
314        - added highly experimental support for on-the-fly instrument editing
315          within the sampler's process (by using instrument editor plugins),
316          you'll notice the new "Registered instrument editors:" message on
317          startup, added a new LSCP command:
318          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
319          to spawn a matching instrument editor for the instrument on the
320          given sampler channel, the plugin path can be overridden at compile
321          time with ./configure --enable-plugin-dir=/some/dir
322        - added experimental code for synchronizing instrument editors hosted
323          in the sampler's process to safely edit instruments while playing
324          without a crash (hopefully) by either suspending single regions
325          wherever possible or if unavoidable whole engine(s)
326        - fixed several issues in fundamental "Thread" class: set scheduling
327          policy and priority on thread level, set a minimum stack size for
328          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
329          threads simply inherited properties of starting thread instead of
330          setting their own policy and priority
331        - minor fix in our automatic stack trace mechanism on crashes, the
332          main process did not wait for the stack trace process to finish
333          its output
334        - fixed some minor memory leaks
335        - reenabled assembly features support, at the moment only for
336          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
337        - minor assembly fix in x86 features detection (don't use the PIC
338          register, to avoid relocations in the text segment at runtime)
339        - POSIX callback functions of Thread.h are hidden
340    
341    * MIDI driver:    * MIDI driver:
342      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
# Line 49  Version CVS HEAD (?) Line 359  Version CVS HEAD (?)
359      - EG fine tuning: when attack is zero the EG starts at a level      - EG fine tuning: when attack is zero the EG starts at a level
360        above max sustain level, which means that there is a decay phase        above max sustain level, which means that there is a decay phase
361        even if sustain is 100%        even if sustain is 100%
362        - more EG fixes: the level could sometimes go below zero and cause
363          noises or crashes
364        - minor fix of EGDecay (patch by Toshi Nagata)
365        - fixed compiler error when --enable-override-filter-type was
366          supplied to the configure script (fixes #46)
367        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
368          instead of a fix value
369        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
370          127 (solo mode) only kill voices if the respective mode really
371          changed
372    
373      * LSCP server:
374        - fixed compile time error for old Bison versions
375          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
376        - parser now supports extended ASCII character set
377          (up to ASCII code 255, i.e. includes now umlauts and accents)
378        - filename arguments in LSCP commands now allow to use escape
379          sequences, that is directly literal as one of: \', \", \\, \n, \r,
380          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
381          code value like \xf2) (fixes bug #24)
382        - the following LSCP commands now also support escape sequences for at
383          least one of their text-based parameters (i.e. name, description):
384          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
385          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
386          "SET DB_INSTRUMENT_DIRECTORY NAME",
387          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
388          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
389          "FIND DB_INSTRUMENT_DIRECTORIES"
390        - returns verbose syntax errors (line and column where syntax error
391          occured, the unexpected character and the actually expected, possible
392          character(s), the latter only if less than 5 possibilities)
393        - made sure that LSCP syntax is not affected by gigedit locale
394          settings
395        - bugfix regarding strings parameter lists: all comma separated lists
396          of strings were treated as being one string containing commas
397          (fixes #57)
398    
399    * Bug fixes:    * Bug fixes:
400      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
401      - another thread safety fix for lscp "load engine" and "set      - another thread safety fix for lscp "load engine" and "set
402        channel audio output device"        channel audio output device"
403        - fixed a crash which occurs when reassigning the same engine
404          on a sampler channel with connected MIDI device
405        - fixed a crash which occurs when changing the number of ports of a MIDI
406          device connected to a sampler channel to number less then or equal
407          to the index of the port to which the sampler channel is connected.
408        - The previous bindings were not been disconnected when altering
409          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
410          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
411        - The active stream/voice count statistic was incorrect.
412        - notification events were not been sent for some sampler
413          channel changes
414        - added default min and max values to restrict the number of allowed
415          audio output channels and MIDI input ports
416        - the connection to the PCM interface is now closed when destroying
417          an audio output device
418        - files with slash in their path or filename could not be loaded
419    
420      * test cases:
421        - updated and fixed (haven't been touched in a while)
422    
423  Version 0.4.0 (24 November 2006)  Version 0.4.0 (24 November 2006)
424    

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